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Home >> Ford >> 1989 >> Bronco II 4WD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> System >> 2.9L CEC Tests W/Codes >> Quick Test >> Diagnosis By Symptom
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Diagnosis By Symptom

A pass code (11-10-11), indicates there are no active codes in the KOEO or KOER SELF-TEST. If driveability symptoms still exist and the EEC system is still suspect, use DIAGNOSIS BY SYMPTOM (SYMPTOM-TO-CIRCUIT TEST MENU)  for referral to the appropriate CIRCUIT TEST.



DIAGNOSIS BY SYMPTOM (SYMPTOM-TO-CIRCUIT TEST MENU)

Symptom Go To: Circuit Test No. (Step No.)
Runs Rough/Misses/Stalls/Lacks Power/Rough Idle/Surges, Stalls in Self Test D19  (1)
Stalls When Parking B15  (3)
A/C Stays On During WOT D7  (11)
A/C Not Functioning D7  (1)
Low Idle with A/C On B13  (10)
"CHECK ENGINE" Light Always On D11  (1)
"CHECK ENGINE" Light Never On D11  (2)
"CHECK ENGINE" Light On Intermittently D11  (5)
"CHECK ENGINE" Light Flashes with Erratic Idle D11  (6)
Stumble After Hot Restart C1  (19)